From Richard Chomko, via FB:
The author reports that this was on a day it was snowing fairly heavily. Suspicion is that precipitation brings the radioactive particles down out of the atmosphere.
Reasons for Sentencing Justice Peter Tetley, Nov. 25, 2011
Reasons for Conviction on Appeal, Justice Peter Tetley, Sept 28, 2011
Reasons for Judgement in the Michael Schmidt raw milk case (January 21, 2010)
The Province of Ontario's appeal of that ruling (February 11, 2010)
Print and Sign Petition for legal raw milk in Ontario